J319Blood gas analysis - pH, PO2, PCO2, bicarbonate and base excess
PULMONARY FUNCTION STUDIES · OTHER TERMS AND DEFINITIONS
No listed feeWhat this reference tells you
J319 identifies the Ontario insured service described as “Blood gas analysis - pH, PO2, PCO2, bicarbonate and base excess.” The listed fee and rules are reference data; the clinical record must support the service actually performed.
Before using this code
Confirm the current Ministry publication, the patient and provider context, the date of service, and documentation supporting the claim. A searchable reference does not establish eligibility or guarantee payment.